{%- set nav_version = version %}
{% if current_version %}
  {%- set nav_version = current_version %}
{% endif %}
{% if nav_version %}
<div id="select-version" class="btn-group">
  <button type="button" class="btn btn-default dropdown-btn dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
  <span class="current"></span>
  <span class="caret"></span>
  </button>
  <ul class="dropdown-menu dropdown-menu-right"></ul>
</div>
{% endif %}
